香蒲铅锌废水净化塘藻类、菌类生境调查及抗性藻种筛选

Habitat Investigation of Algae and Bacteria in a Typha Purification Pond With Pb-Zn sewage and Selec-tion of Resistant Algae

香蒲铅锌废水净化塘藻类、菌类生境调查及抗性藻种筛选刘玉，麦志勤胡文凤（中山大学环境科学研究所，广州５１０２７５）（华南师范大学植保系，广州５１０６４２）ＨａｂｉｔａｔＩｎｖｅｓｔｉｇａｔｉｏｎｏｆＡｌｇａｅａｎｄＢａｃｔｅｒｉａｉｎａＴｙｐｈａＰｕｒ...

fter many years purification,the concentration of heavy metals in a Typha purification pond are decreasedand water quality is improved. The species and biomass of algae,bacteria and aquatic animals are increasedcorrespondingly. Only a species of algae,Ndzschia sp.,can survive in the area with higher concentration ofheavy metals(e.g. in a shallow influent area), and most algae are existed in the area with lower concentra-tion of heavy metals and deeper water, among which. Nitzschia and Phormidium are the dominant groupsand have greater resistance to Pb-Zn pollution. They can to selected out for purifying Pb-Zn sewage.